Red Lights is the next picture from Buried director Rodrigo Cortes, and if that’s not enough for you, look at the cast list: Robert De Niro, Sigourney Weaver, Cillian Murphy, Elizabeth Olsen. I can’t wait.

The film has premiered at Sundance, where it has met great acclaim for its creepiness and scary ideas, and a lot of critical brickbats for its ending which… nobody seems to understand.

Here’s the first clip, which mentions the red lights of the title but doesn’t exactly explain them.